Room thermostat with 24-hour time switch and large LCD RDJ100 Programmable, for heating systems Operating modes: Automatic, Comfort, Energy saving, and Frost protection Large LCD display Battery powered: 2 x alkaline type AA batteries, 1.5 V TPI control for use with ON/OFF heating systems A6V10954415_en--_b 2017-04-28 Building Technologies
Use The device is used to control the room temperature in heating systems. Typical applications: Homes Residential buildings Schools Offices The device is used together with the following equipment: Thermal valves or zone valves Combi boilers Gas or oil burners Pumps Functions Temperature control The device uses a TPI (Time proportional integral) control algorithm to periodically switch on and off the heating system. The period time and pulse length of the control signal (PWM) are determined by setpoint and the measured room temperature via its built-in sensor. Heating mode T Y w YHC XpH Room temperature Output signal for heating (PWM) Room temperature setpoint Control command Valve Proportional band Heating Backup When removing the batteries, the setpoints and information required for operating mode changeover are retained for max. 2 minutes. Operating modes The device has the following modes: Automatic, Comfort, Energy saving and Frost protection. Move the operating mode slider to the respective position to select another operating mode. 2
Automatic mode Comfort mode Energy saving mode Frost protection Automatic mode is active when symbol is displayed. The device operates as the selected 24-hour time program. Comfort mode is active when symbol is displayed. The device controls to the temperature setpoint adjusted at. This setpoint can be adjusted by setting the program slider to. Energy saving mode is active when symbol is displayed. The device controls to the temperature setpoint adjusted at. This setpoint can be readjusted by setting the program slider to. Frost protection is active when symbol is displayed. The device controls to the preset temperature setpoint for frost protection. Display The digital display shows the current room temperature, the ON/OFF times as well as the symbol for the currently active operating mode which is currently active. When the heating output is active, the triangle symbol is displayed. Equipment combinations Description Product number Data sheet *) Electrothermal actuator (for radiator valves) STA23.. 4884 Electrothermal actuator (for small valves 2.5mm) STP23.. 4884 *) The documents can be downloaded from http://siemens.com/bt/download. Ordering When ordering, specify both name and product number e.g. room temperature controller RDJ100. Order valves and actuators as separate items. Mechanical design The device consists of 3 parts: Plastic housing with digital display containing the electronics, operating elements, and builtin room temperature sensor Baseplate (mounting base) Battery compartment 3
The housing engages in the baseplate and snaps on. The baseplate carries the screw terminals. There is a reset button on the rear of the device. RDJ100 Elements 1 2 3 4 5 6 4 Siemens Building Technologies Functions Room temperature display in C The device controls to the adjusted comfort temperature setpoint The device controls to the adjusted energy saving temperature setpoint The device controls to the preset frost protection temperature setpoint Setpoint temporarily overridden until the next switching time Indicates low battery power; replace batteries 7 Indicates a heat request 8 Time of day (00:00...23:59 format) 9 Indicates first switch-on/off time 10 Indicates second switch-on/off time Datasheet A6V10954415_en--_b 2017-04-28
RDJ100 Elements Functions 11 Time setting position 12 First switch-on time 13 First switch-off time 14 Second switch-on time 15 Second switch-off time 16 Comfort temperature setting 17 Energy saving temperature setting 18 RUN position 19 Program slider 20 Advance button (override / presence button) 21 Temperature setting knob 22 Battery compartment 23 Operating mode slider 24 Indicates that programming is taking place 25 Frost protection; control to a preset temperature setpoint of 5 C for frost protection 26 27 28 Energy saving mode; continuous control to the energy saving temperature setpoint Comfort mode; continuous control to the comfort temperature setpoint Automatic mode; the device operates as per the selected program Product documentation Notes Topic Title Document ID: Operating Operating instructions A6V101035986 Installation Mounting instructions A6V10974419 CE declaration A6V101123354 Related documents such as CE declarations, etc., can be downloaded from the following address: http://siemens.com/bt/download. Disposal The device is considered an electronics device for disposal in terms of European Directive 2012/19/EU and may not be disposed of as domestic garbage. Dispose of the device through channels provided for this purpose. Comply with all local and currently applicable laws and regulations. Mounting When mounting the device, attach the baseplate first. Then make the electrical connections, and fit and secure the device (refer to the separate mounting instructions A6V10974419). Mount the device on a flat wall and in compliance with local regulations. 5
If the reference room contains thermostatic radiator valves, set them to their fully open position. The devices are suitable for wall mounting. Recommended height: 1.5 m above the floor. Do not mount the devices in recesses, shelves, behind curtains or doors, or above or near heat sources. Avoid direct solar radiation and drafts. Seal the conduit box or the installation tube if any, as air currents can affect sensor readings. Adhere to allowed ambient conditions. Installation WARNING No internal line protection for supply lines to external consumers. Risk of fire and injury due to short-circuits! Adapt the line diameters as per local regulations to the rated value of the installed overcurrent protection device. The power supply lines must have an external circuit breaker with a rated current of max. 10 A. Change of batteries If the battery symbol appears, the batteries are almost empty and must be replaced. Reset Maintenance To reset, press the reset button on the rear of the device. This resets all individual settings to their default values. The device is maintenance-free. 6
Technical data Power supply Operating voltage Battery life DC 3 V (2 x 1.5 V AA alkaline batteries) >1 year (with AA alkaline batteries) Internal sensor inputs Thermistor 10 k ± 1% at 25 C Switching outputs (Lx, L1, L2) Relay contacts Switching voltage Max. AC 250 V Min. AC 24 V Insulating strength Switching current At AC 250 V Between relay contacts and coil Between relay contacts (same pole) Max. 5 A res., 2 A ind. Min. 200 ma AC 3,750 V AC 1,000 V WARNING No internal fuse External preliminary protection with max. C 10 A circuit breaker in the supply line required under all circumstances. Operational data TPI control: Minimum period Minimum pulse length Setpoint setting range Factory setting comfort setpoint Factory setting for energy saving mode Resolution of settings and displays 12 min 4 min 5 30 C (Comfort mode) 5 30 C (Energy saving mode) 5 C (Frost Protection, fixed value) 20 C 10 C Temperature setpoint 0.5 C Display of actual temperature value 0.5 C Electrical connections Connections terminals (via baseplate) For solid wires For stranded wires Screw terminals 2 x 1.5 mm 2 1 x 2.5 mm 2 (min. 0.5 mm 2 ) 7
Environmental conditions Operation Climatic conditions Temperature Humidity Transport Climatic conditions Temperature Humidity Mechanical conditions Storage Climatic conditions Temperature Humidity IEC 60721-3-3 Class 3K5 0 +40 C <90% r.h. IEC 60721-3-2 Class 2K3-25 +60 C <95% r.h. Class 2M2 IEC 60721-3-1 Class 1K3-10 +60 C <90% r.h. Standards, directives and approvals EU conformity (CE) A6V101123363 *) RCM conformity A6V11161600 *) Safety class II as per EN 60730-1 Pollution degree 2 Degree of protection of housing Eco design and labeling directives IP20 Based on EU Regulation 813/2013 (Eco design directive) and 811/2013 (Labeling directive) concerning space heaters, the following classes apply: TPI (PWM) room thermostat, for use with On/Off output heaters Class IV Value 2% Environmental compatibility The product environmental declaration (A6V101123358 *)) contains data on environmentally compatible product design and assessments (RoHS compliance, materials composition, packaging, environmental benefit, disposal). *) The documents can be downloaded from http://siemens.com/bt/download. General Weight (including package) Color of housing front Housing material 350 g Signal-white RAL9003 ABS (LCD lens:pc) 8
Connection diagram Lx, Nx Live, neutral conductor, AC 24 250 V Lx, L2 N.C. contact (for N.O. valves) Lx, L1 N.O. contact (for N.C. valves) Application examples Room temperature controller with direct control of a gasfired wall-hung boiler Room temperature controller with direct control of a gasfired floor-standing boiler Room temperature controller with direct control of a heating circuit pump (pre-control by manual mixing valve) F1 Thermal reset limit thermostat F2 Safety limit thermostat M1 Circulating pump N1 Room temperature controller RDJ100 Y1 3-port valve with manual adjustment Y2 Magnetic valve 9
Dimensions [mm] Issued by Siemens Switzerland Ltd Building Technologies Division International Headquarters Gubelstrasse 22 CH-6301 Zug Tel. +41 41-724 24 24 www.siemens.com/buildingtechnologies Siemens Switzerland Ltd, 2017 Technical specifications and availability subject to change without notice. 10 Building Technologies Document ID A6V10954415_en--_b 2017-04-28 Edition 2017-04-28